The Toppan Printing Co, Ltd. basic plate for laser sculpture and the Toppan Printing Co, Ltd. edition null which then

摘要

PROBLEM TO BE SOLVED: To provide a resin composition to become a raw material for a printing original plate for laser engraving which is capable of manufacturing a printing original plate having excellent laser engraving performance and printing performance and a printing plate obtained from the same.;SOLUTION: In the relief printing original plate for laser engraving for forming a printing plate by curing a photosensitive resin layer obtained from a photosensitive relief printing composition containing at least basic tertiary nitrogen atom-containing copolymerized polyamide, a photopolymerizable unsaturated compound and a photopolymerization initiator by the irradiation with ultraviolet ray and irradiating with laser light to form an image to form a printing plate, the quantity of the basic tertiary nitrogen atom contained in the basic tertiary nitrogen atom-containing copolymer amide and quaternized by a photopolymerizable group-containing non-protonic quaternizing agent is 0.30-1.20 mol per 1,000 g.;COPYRIGHT: (C)2010,JPO&INPIT